SPD Flash Tool R4.0.0001 (often referred to as the ResearchDownload Tool
| Tool | Interface | Target | Ease of Use | |------|-----------|--------|--------------| | R400001 | USB + Clip | I²C EEPROM | Moderate | | Thaiphoon Burner | Software only (needs separate HW) | SPD via SMbus | High (if SMbus accessible) | | CH341A Programmer | USB + SOIC clip | SPI/I²C Flash | Low (driver issues) | spd flash tool r400001